Home / 930,919.24-1,396,350.96-257,041.72

Finding the Fourth Proportional to 930,919.24, 1,396,350.96 and 257,041.72

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Solution

The fourth proportional to 930,919.24, 1,396,350.96 and 257,041.72 is: 385,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,919.24 : 1,396,350.96 = 257,041.72 : x
  2. Step 2: Convert to fraction form
    930,919.24/1,396,350.96 = 257,041.72/x
  3. Step 3: Cross multiply
    930,919.24x = 1,396,350.96 × 257,041.72
  4. Step 4: Simplify right side
    930,919.24x = 358,920,452,482.05
  5. Step 5: Solve for x
    x = 358,920,452,482.05/930,919.24
  6. Step 6: Final answer
    x = 385,554.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.